.section .text
 .global count_bits_zero
 .global vec_count_bits_zero

count_bits_zero:
	# prologue
	pushl %ebp		# save previous stack frame pointer
	movl %esp, %ebp		# the stack frame pointer for sum function

	movl 8(%ebp) , %edx	# %edx = num
	movl $32 , %ecx		# numero de bits em 4 bytes
	movl $32 , %eax		# contador de 0s

	looper:
	shr %edx
	sbb $0 , %eax
	loop looper

	# epilogue
	movl %ebp, %esp		# restore the previous stack pointer ("clear") the stack)
	popl %ebp		# restore the previous stack frame pointer
	ret


vec_count_bits_zero:
	# prologue
	pushl %ebp		# save previous stack frame pointer
	movl %esp, %ebp		# the stack frame pointer for sum function

	movl 8(%ebp) , %ebx	# %ebx = vec
	movl 12(%ebp) , %ecx	# %ecx = num
	movl $0 , %esi		# %esi = contador
	movl (%ebx) , %edi	# %edi = vec[0]

vec_looper:

	pushl %ebx
	pushl %ecx
	pushl %edi
	call count_bits_zero
	addl %eax , %esi
	popl %ebx
	popl %ecx
	popl %ebx

	addl $4 , %ebx
	movl (%ebx) , %edi

	loop vec_looper

	movl %esi , %eax

	# epilogue
	movl %ebp, %esp		# restore the previous stack pointer ("clear") the stack)
	popl %ebp		# restore the previous stack frame pointer
	ret